Home / 3,119,780,821.10-4,302,787,170.24-2,742,631,011.68

Finding the Fourth Proportional to 3,119,780,821.10, 4,302,787,170.24 and 2,742,631,011.68

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Solution

The fourth proportional to 3,119,780,821.10, 4,302,787,170.24 and 2,742,631,011.68 is: 3,782,623,910.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,780,821.10 : 4,302,787,170.24 = 2,742,631,011.68 : x
  2. Step 2: Convert to fraction form
    3,119,780,821.10/4,302,787,170.24 = 2,742,631,011.68/x
  3. Step 3: Cross multiply
    3,119,780,821.10x = 4,302,787,170.24 × 2,742,631,011.68
  4. Step 4: Simplify right side
    3,119,780,821.10x = 11,800,957,529,759,053,824
  5. Step 5: Solve for x
    x = 11,800,957,529,759,053,824/3,119,780,821.10
  6. Step 6: Final answer
    x = 3,782,623,910.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.